GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Driver Seat (Except A45)


Object Number: 1863172  Size: LF
(1)Seat Lumbar Vertical Motor - Driver (AH5)
(2)Inflatable Restraint Side Impact Module - Left
(3)Seat Recline Motor - Driver (AH5)
(4)Seat Lumbar Horizontal Motor - Driver (AH5)
(5)Seat Horizontal Motor - Driver (AG1 or AH5)
(6)Seat Lumbar Switch - Driver (AH5)
(7)Seat Adjuster Switch - Driver (AG1 or AH5)
(8)Seat Rear Vertical Motor - Driver (AG1 or AH5)
(9)Heated Seat Control Module - Driver (KA1) or Memory Seat Module (AG3)
(10)Seat Front Vertical Motor - Driver (AG1 or AH5)
(11)Seat Belt Buckle - Driver
(12)Heated Seat Element - Driver Cushion (KA1)
(13)Heated Seat Element - Driver Back (KA1)
Figure 2:

Driver Seat (AG3)


Object Number: 1863171  Size: LF
(1)Seat Horizontal Position Sensor - Driver
(2)Seat Lumbar Vertical Motor - Driver
(3)Inflatable Restraint Side Impact Module - Left
(4)Seat Lumbar Horizontal Motor - Driver
(5)Seat Recline Motor - Driver
(6)Seat Recline Position Sensor - Driver
(7)Seat Lumbar Switch - Driver
(8)Seat Horizontal Motor - Driver
(9)Seat Adjuster Switch - Driver
(10)Inflatable Restraint Seat Position Sensor (SPS) - Driver (W49)
(11)Seat Rear Vertical Motor - Driver
(12)Seat Rear Vertical Position Sensor
(13)Seat Front Vertical Position Sensor
(14)Memory Seat Module
(15)Seat Front Vertical Motor - Driver
(16)Seat Belt Buckle - Driver
Figure 3:

Passenger Seat


Object Number: 1863173  Size: LF
(1)Inflatable Restraint Side Impact Module - Right
(2)Heated Seat Element - Passenger Back (KA1)
(3)Seat Recline Motor - Passenger (AAQ)
(4)Seat Lumbar Horizontal Motor - Passenger (AAQ)
(5)Seat Lumbar Vertical Motor - Passenger (AAQ)
(6)Seat Horizontal Motor - Passenger
(7)Inflatable Restraint Seat Position Sensor (SPS) - Passenger (W49)
(8)Seat Belt Buckle - Passenger
(9)Inflatable Restraint Front Passenger Presence System (PPS) Sensor
(10)Passenger Presence System (PPS) Module (Part of PPS Sensor)
(11)Seat Adjuster Switch - Passenger
(12)Seat Lumbar Switch - Passenger
(13)Heated Seat Element - Passenger Back